oj.uz

Submission #968209

# Submission time Handle Problem Language Result Execution time Memory
968209 2024-04-23T08:30:23 Z Darren0724 Real Mountains (CCO23_day1problem2) C++17
18 / 25
 1728 ms 91300 KB 
#pragma GCC optimize("Ofast","O3")
#pragma GCC target("avx","avx2")
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
//#define int long long 
#define ll long long 
#define LCBorz ios_base::sync_with_stdio(false);cin.tie(0);
const int N=1000005;
const int mod=1e6+3;
const int INF=2e9;
int n;
struct segtree{
    int v[N<<2];
    void pull(int id){
        v[id]=min(v[id<<1],v[id<<1|1]);
    }
    void add(int id,int l,int r,int p,int x){
        if(r-l==1){
            v[id]=x;
            return;
        }
        int m=(l+r)>>1;
        if(p<m)add(id<<1,l,m,p,x);
        else add(id<<1|1,m,r,p,x);
        pull(id);
    }
    int ask(int id,int l,int r,int a,int b){
        if(a<=l&&b>=r)return v[id];
        int m=(l+r)>>1;
        if(b<=m)return ask(id<<1,l,m,a,b);
        if(a>=m)return ask(id<<1|1,m,r,a,b);
        return min(ask(id<<1,l,m,a,b),ask(id<<1|1,m,r,a,b));
    }
    void add(int a,int b){
        add(1,1,n+1,a,b);
    }
    int ask(int a,int b){
        return ask(1,1,n+1,a,b);
    }
}st;
int32_t main(){
    LCBorz;
    cin>>n;
    vector<int> v(n+2),pre(n+2),suf(n+2);
    for(int i=1;i<=n;i++){
        cin>>v[i];
    }
    for(int i=1;i<=n;i++){
        pre[i]=max(pre[i-1],v[i]);
    }
    for(int i=n;i>=1;i--){
        suf[i]=max(suf[i+1],v[i]);
    }
    for(int i=1;i<=n;i++){
        st.add(1,1,n+1,i,v[i]);
    }
    ll ans=0;
    vector<pair<int,int>> leave,join;
    vector<int> tim;
    for(int i=1;i<=n;i++){
        join.push_back({v[i],i});
        leave.push_back({min(pre[i],suf[i]),i});
        tim.push_back(v[i]);
        tim.push_back(min(pre[i],suf[i]));
    }
    sort(all(tim));
    tim.resize(unique(all(tim))-tim.begin());
    sort(all(join),greater<>());
    sort(all(leave),greater<>());
    set<int> t;
    for(int i=0;i<(int)tim.size()-1;i++){
        int val=tim[i],val1=tim[i+1];
        while(join.size()&&join.back().first<=val){
            auto [a,b]=join.back();
            join.pop_back();
            st.add(b,INF);
            t.insert(b);
        }
        while(leave.size()&&leave.back().first<=val){
            auto [a,b]=leave.back();
            leave.pop_back();
            t.erase(b);
        }
        int m=t.size();
        if(m==0){
            continue;
        }
        auto cal=[&]()->ll {
            return 1ll*(val+val1-1)*(val1-val)/2%mod;
        };
        if(m==1){
            int p=*t.begin();
            ans+=cal()+1ll*(val1-val)*(st.ask(1,p)+st.ask(p+1,n+1));
            ans%=mod;
            continue;
        }
        int p1=*t.begin();
        int p2=*(--t.end());
        ll tmp=st.ask(1,p1)+st.ask(p1+1,n+1)+st.ask(p2+1,n+1);
        ll tmp1=st.ask(1,p2)+st.ask(p2+1,n+1)+st.ask(1,p1);
        ans+=1ll*(val1-val)*(min(tmp,tmp1)+1)+cal()*3;
        ans+=1ll*(m-2)*(3*cal()+2*(val1-val));
        ans%=mod;
    }
    cout<<ans<<endl;
    
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 2 ms 860 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 4 ms 860 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 856 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 4 ms 860 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 856 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 6 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 836 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 856 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct

Subtask #4
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 4 ms 860 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 856 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 6 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 836 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 856 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Incorrect 4 ms 860 KB Output isn't correct
50 Halted 0 ms 0 KB -

Subtask #5
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 4 ms 860 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 856 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1085 ms 90540 KB Output is correct
36 Correct 899 ms 90352 KB Output is correct
37 Correct 981 ms 90632 KB Output is correct
38 Correct 1063 ms 90748 KB Output is correct
39 Correct 1018 ms 90872 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 589 ms 91116 KB Output is correct
43 Correct 611 ms 91036 KB Output is correct
44 Correct 633 ms 90916 KB Output is correct
45 Correct 449 ms 90540 KB Output is correct
46 Correct 438 ms 90344 KB Output is correct
47 Correct 449 ms 90932 KB Output is correct
48 Correct 680 ms 90820 KB Output is correct
49 Correct 628 ms 90276 KB Output is correct
50 Correct 629 ms 90284 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 4 ms 860 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 856 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 6 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 836 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 856 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Correct 1085 ms 90540 KB Output is correct
50 Correct 899 ms 90352 KB Output is correct
51 Correct 981 ms 90632 KB Output is correct
52 Correct 1063 ms 90748 KB Output is correct
53 Correct 1018 ms 90872 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 589 ms 91116 KB Output is correct
57 Correct 611 ms 91036 KB Output is correct
58 Correct 633 ms 90916 KB Output is correct
59 Correct 449 ms 90540 KB Output is correct
60 Correct 438 ms 90344 KB Output is correct
61 Correct 449 ms 90932 KB Output is correct
62 Correct 680 ms 90820 KB Output is correct
63 Correct 628 ms 90276 KB Output is correct
64 Correct 629 ms 90284 KB Output is correct
65 Correct 1628 ms 91228 KB Output is correct
66 Correct 1602 ms 91180 KB Output is correct
67 Correct 1728 ms 91008 KB Output is correct
68 Correct 1683 ms 91264 KB Output is correct
69 Correct 1673 ms 90896 KB Output is correct
70 Correct 588 ms 91004 KB Output is correct
71 Correct 613 ms 90792 KB Output is correct
72 Correct 629 ms 91092 KB Output is correct
73 Correct 865 ms 91188 KB Output is correct
74 Correct 795 ms 90852 KB Output is correct
75 Correct 831 ms 91300 KB Output is correct
76 Correct 966 ms 91104 KB Output is correct
77 Correct 984 ms 90740 KB Output is correct
78 Correct 1034 ms 90444 KB Output is correct

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 856 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 856 KB Output is correct
17 Correct 4 ms 860 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 856 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 6 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 836 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 856 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Incorrect 4 ms 860 KB Output isn't correct
50 Halted 0 ms 0 KB -